Science Buddies
Science Buddies: Rocking the Boat
Become an engineer for a day and discover the best way to keep from rocking the boat in this engineering science fair project. When a ship rocks back and forth, it can make people seasick, but also it makes it dangerous for jets to land...
University of Virginia
University of Virginia: Rotational Motion
A page describing rotational equilibrium and non-equilibrium situations. Includes graphics, equations, and many examples.